What color is #374B73?

#374B73 is a dark, desaturated blue, closest to the named color Noble Knight. It belongs to the blue family of colors.

What is the RGB value of #374B73?

The RGB value is 55, 75, 115: 55 red, 75 green and 115 blue on a 0 to 255 scale.

What is the complementary color of #374B73?

The complementary color is #735F37, found by rotating the hue 180° on the color wheel.

Is black or white text better on #374B73?

White text. Black text has a contrast ratio of 2.42:1 and white text 8.69:1. WCAG asks for at least 4.5:1 for normal text.

#374B73 color

#374B73 rgb(55, 75, 115)

Shades of blue

The hex color #374B73 is a dark, desaturated blue.

In the RGB color model it is made of 21.6% red, 29.4% green and 45.1% blue (55, 75, 115).

Its hue angle is 220°, with 35% saturation and 33% lightness. For print, the CMYK equivalent is 52% cyan, 35% magenta, 0% yellow and 55% black.

The closest named color is Noble Knight (#394D78), a difference of 1 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 8.69:1).

#374B73 color codes

HEX	`#374B73`
RGB	`rgb(55, 75, 115)`
RGB percent	`rgb(21.6%, 29.4%, 45.1%)`
HSL	`hsl(220, 35%, 33%)`
HSV / HSB	`hsv(220, 52%, 45%)`
CMYK	`cmyk(52%, 35%, 0%, 55%)`
CIE LAB	`lab(31.99, 4.55, -25.38)`
CIE LCH	`lch(31.99, 25.78, 280.17)`
CIE XYZ	`xyz(7.185, 7.082, 17.205)`
Decimal	`3623795`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #374B73, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #374B73	Ratio	AA	AAA	AA large
Sample text	2.42:1	Fail	Fail	Fail
Sample text	8.69:1	Pass	Pass	Pass

#374B73 as text on	Ratio	AA	AAA	AA large
Sample text	8.69:1	Pass	Pass	Pass
Sample text	2.42:1	Fail	Fail	Fail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #374B73 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #374b73; }
.text { color: #374b73; }
.border { border: 2px solid #374b73; }
.transparent { background-color: rgb(55 75 115 / 50%); }
.gradient { background: linear-gradient(to right, #374b73, #413773); }

Background

Text color

Border

Similar colors

Closest common color name: Dark Slate Blue.

Questions

What color is #374B73?: #374B73 is a dark, desaturated blue, closest to the named color Noble Knight. It belongs to the blue family of colors.
What is the RGB value of #374B73?: The RGB value is 55, 75, 115: 55 red, 75 green and 115 blue on a 0 to 255 scale.
What is the complementary color of #374B73?: The complementary color is #735F37, found by rotating the hue 180° on the color wheel.
Is black or white text better on #374B73?: White text. Black text has a contrast ratio of 2.42:1 and white text 8.69:1. WCAG asks for at least 4.5:1 for normal text.